diff --git a/pom.xml b/pom.xml
index 42d42a162c..5ce5d30b08 100644
--- a/pom.xml
+++ b/pom.xml
@@ -235,7 +235,7 @@
     <dependency>
       <groupId>nl.jqno.equalsverifier</groupId>
       <artifactId>equalsverifier</artifactId>
-      <version>3.7.1</version>
+      <version>3.9</version>
       <scope>test</scope>
     </dependency>
     <dependency>